Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
MARATHON PETROLEUM CO - FLOREFFE PA ASPHALT TERMINAL
1100 GLASS HOUSE RD, JEFFERSON HILLS, PA, 15025
Parent company: MARATHON PETROLEUM CORP
Carcinogen
PBT
— EPA classifications across all reporting years
Top chemical totals
The 10 chemicals with the highest cumulative on-site releases in pounds (lbs) across all available years.
Full release table
Rows are years. Columns show the five highest-total chemicals across all years plus each year's total release volume.
| All values in pounds (lbs) | ||||||
|---|---|---|---|---|---|---|
| Year | Toluene | Benzene | Xylene (mixed isomers) | Ethylbenzene | 1,2,4-Trimethylbenzene | Total (lbs) |
| 2024 | — | — | — | — | — | 23 |
| 2023 | — | — | — | — | — | 23 |
| 2022 | — | — | — | — | — | 24 |
| 2021 | — | — | — | — | — | 24 |
| 2020 | — | — | — | — | — | 23 |
| 2019 | — | — | — | — | — | 24 |
| 2018 | — | — | — | — | — | 20 |
| 2017 | — | — | — | — | — | 20 |
| 2016 | — | — | — | — | — | 24 |
| 2011 | — | — | — | — | — | 2 |
| 2001 | — | — | — | — | — | 84 |
| 2000 | 374 | 215 | 241 | 54 | 41 | 925 |
| 1999 | 1,767 | 1,328 | 890 | 387 | 341 | 4,713 |
| 1998 | 1,070 | 605 | 672 | 145 | 98 | 2,590 |
▎ Facilities report to EPA's TRI once they manufacture, process, or use a listed chemical above set thresholds. Once that threshold is crossed, they must report actual releases regardless of size — so a small number reflects genuine low-level discharge, not a data error.